feat(market): add draft status and multiplier

polylan_submitter/market/admin.py

@@ -23,16 +23,29 @@ class MarketAdmin(admin.ModelAdmin):
     inlines = [MarketOptionInline]
     fieldsets = (
         ("Info", {"fields": ["uuid", "title", "description"]}),
-        ("Configuration", {"fields": ["end_date"]}),
+        ("Configuration", {"fields": ["end_date", "multiplier"]}),
         ("Status", {"fields": ["status", "winning_option"]}),
         ("Metadata", {"fields": ["created_by", "created_at", "updated_at"]}),
     )
 
+    def has_change_permission(self, request, obj=None):
+        # Prevent any changes to resolved markets
+        if obj and obj.status == Market.Status.RESOLVED:
+            return False
+        return super().has_change_permission(request, obj)
+
     def save_model(self, request, obj, form, change):
         if not change:  # Creating new market
             obj.created_by = request.user
         super().save_model(request, obj, form, change)
 
+    @admin.action(description="Publish selected draft markets")
+    def publish_markets(self, request, queryset):
+        updated = queryset.filter(status=Market.Status.DRAFT).update(
+            status=Market.Status.OPEN
+        )
+        self.message_user(request, f"Published {updated} market(s).")
+
     @admin.action(description="Close selected markets")
     def close_markets(self, request, queryset):
         updated = queryset.filter(status=Market.Status.OPEN).update(
@@ -40,7 +53,7 @@ class MarketAdmin(admin.ModelAdmin):
         )
         self.message_user(request, f"Closed {updated} market(s).")
 
-    actions = ["close_markets"]
+    actions = ["publish_markets", "close_markets"]
 
 
 @admin.register(MarketOption)

polylan_submitter/market/api.py

@@ -20,8 +20,8 @@ router = Router(tags=["market"])
 
 @router.get("/", response=List[MarketListSchema])
 def list_markets(request):
-    """List all markets."""
-    markets = Market.objects.all()
+    """List all markets (excludes draft markets)."""
+    markets = Market.objects.exclude(status=Market.Status.DRAFT)
     # Prefetch options with total_bets annotation sorted by total_bets desc, then text asc
     options_queryset = MarketOption.objects.annotate(
         total_bets=Coalesce(Sum("user_bets__amount"), 0)
@@ -52,7 +52,7 @@ def close_market(request, market_uuid: str):
     market = get_object_or_404(Market, uuid=market_uuid)
     market.status = Market.Status.CLOSED
     market.save(update_fields=["status", "updated_at"])
-    return {"status": "closed"}
+    return {"status": Market.Status.CLOSED}
 
 
 @router.post("/{market_uuid}/actions/resolve", response=MarketListSchema)
@@ -91,10 +91,12 @@ def resolve_market(request, market_uuid: str, payload: ResolveMarketSchema):
     users_to_update = []
 
     with transaction.atomic():
-        # Award payouts to winners
+        # Award payouts to winners with multiplier
         if total_winning > 0:
             for bet in winning_bets:
-                payout = round(bet.amount / total_winning * total_pot)
+                payout = round(
+                    bet.amount / total_winning * total_pot * market.multiplier
+                )
                 bet.user.points += payout
                 users_to_update.append(bet.user)
                 point_changes.append(

polylan_submitter/market/migrations/0005_market_multiplier.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.7 on 2026-05-23 18:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("market", "0004_alter_marketoption_options_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="market",
+            name="multiplier",
+            field=models.FloatField(default=1.0),
+        ),
+    ]

polylan_submitter/market/migrations/0006_alter_market_status.py

@@ -0,0 +1,26 @@
+# Generated by Django 5.2.7 on 2026-05-23 18:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("market", "0005_market_multiplier"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="market",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("draft", "Draft"),
+                    ("open", "Open"),
+                    ("closed", "Closed"),
+                    ("resolved", "Resolved"),
+                ],
+                default="draft",
+                max_length=10,
+            ),
+        ),
+    ]

polylan_submitter/market/models.py

@@ -13,6 +13,7 @@ class BaseModel(models.Model):
 
 class Market(BaseModel):
     class Status(models.TextChoices):
+        DRAFT = "draft", "Draft"
         OPEN = "open", "Open"
         CLOSED = "closed", "Closed"
         RESOLVED = "resolved", "Resolved"
@@ -20,9 +21,10 @@ class Market(BaseModel):
     title = models.CharField(max_length=255)
     description = models.TextField(blank=True)
     status = models.CharField(
-        max_length=10, choices=Status.choices, default=Status.OPEN
+        max_length=10, choices=Status.choices, default=Status.DRAFT
     )
     end_date = models.DateTimeField()
+    multiplier = models.FloatField(default=1.0)
     created_by = models.ForeignKey("accounts.CustomUser", on_delete=models.PROTECT)
     winning_option = models.ForeignKey(
         "MarketOption",

polylan_submitter/market/schemas.py

@@ -21,6 +21,7 @@ class MarketListSchema(Schema):
     description: str
     status: str
     end_date: datetime
+    multiplier: float = 1.0
     created_at: datetime
     options: List[MarketOptionSchema]
     winning_option: Optional[MarketOptionSchema] = None